Answer: blastula
Explanation: an animal embryo at the early stage of development when it is a hollow ball of cells.
Answer:
The correct dating methods will be:
Explanation:
The primate fossils presented in the question above must be submitted to the dating processes known as radiopotassium and biostratigraphic so that the age of these fossils can be determined as accurately as possible.
Radiopotassium dating is based on the half-life of potassium, which is equal to 40 years. The term half-life refers to the number of years it takes for half the number of atoms of the radioactive isotope to be destroyed. Thus, radiopotassium dating measures the amount of potassium present in a fossil and relates this amount to the half-life of potassium, thus being able to calculate the age of the fossil.
Biostratigraphic dating, on the other hand, allows the age of a fossil to be determined by being compared with the age of another fossil and the physical and structural composition that these fossils have.
Therefore, to determine the age of primate fossils, radiopotassium dating would first be used in some fossils. These would be used as a model during biostratigraphic dating, allowing confirmation of the age of other fossils.
Answer:
In a process called radiometric dating, scientists measure the fix decay rate of an isotope to determine the age of the earth.
Explanation:
In the process of radiometric dating we can find the age of fossils, how long the rocks formed and fossils contains within those rocks. Radiometric is very accurate to date the earth, and radioactive decay of unstable isotopes like uranium, carbon and potassium that are slow to decay.
Scientist measures the fixed decay rate during the radioactive decay, it happens when an unstable atomic nucleus continuous changes to lower energy state and splits the radiation.
Answer: the right ventricle
Explanation:
The pulmonary trunk originates from the right ventricle through which deoxygenated blood is pumped into the lungs.
The pulmonary trunk divides into right and left pulmonary artery which carries blood to their respective lungs.
Blood flow into the pulmonary trunk is regulated by the semilunar valve.
The right ventricle of the heart exits into the pulmonary trunk. This process is part of our body's pulmonary circulation, responsible for oxygenating blood.
The chamber of the heart that exits into the pulmonary trunk is the right ventricle. In the human heart, blood flows from the right atrium into the right ventricle after which it's pumped out of the heart into the pulmonary trunk. This blood then splits between the two pulmonary arteries that carry it to the lungs where it gets oxygenated. This process is part of the pulmonary circulation which is responsible for oxygenating blood. It's crucial for maintaining the body's overall oxygen levels and blood supply.
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The true statement about the mother of this family tree is that she is a carrier for color blindness.
The correct option is (B).
Color blindness is a disability in which you are unable to see colors normally. Color deficiency is another name for it.
It is a condition in which a person is unable to distinguish between different colors.
The most common colors are greens and reds, but it can also happen with blues.
This condition is only dominant in males, but females carry this disability as recessive carrier, so they can transfer this gene to the next generation.
Thus, option (B) she is a carrier for color blindness is correct.
Learn more about color blindness, here:
B,
since males only need one recessive trait for it to show, and the father is not colorblind, the mother at least has to be a carrier for the colorblindness trait.